|
Year |
Event(s) |
1 | 1925 | - The mechanical television a precursor to the modern television, invented by John Logie Baird.
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2 | 1926 | - Robert H. Goddard invents liquid-fueled rockets.
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3 | 1927 | - Erik Rotheim patents an aerosol can.
- JWA Morrison invents the first quartz crystal watch.
- Philip Drinker invents the iron lung.
- Philo Taylor Farnsworth invents a complete electronic TV system.
- Technicolor invented.
- Warren Marrison developed the first quartz clock.
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4 | 1928 | - Bubble gum invented by Walter E. Diemer.
- Jacob Schick patented the electric shaver.
- Scottish biologist Alexander Fleming discovers penicillin.
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5 | 1929 | - American, Paul Galvin invents the car radio.
- Herbert Hoover president of the USA 1929-1933.
- Yo-Yo re-invented as an American fad.
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6 | 1930 | - Frank Whittle and Dr Hans von Ohain both invent a jet engine.
- Scotch tape patented by 3M engineer Richard G. Drew.
- The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.
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